# Taylor Expansion, and proving the second derivative??

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• December 8th 2009, 03:11 PM
aleba008
Taylor Expansion, and proving the second derivative??
Im sure this is not a hard question but can you help me I just start it with a numerical method class. :)

a) show that second derivative at Xo can be expressed as:

$f''(Xo) = 1/h^2 [f(Xo-h)-2f(Xo+h)]-h^2/12*f^4(epsilon)$
and what means epsilon??

regards,
Alexis